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Diffstat (limited to 'src/gallium/drivers/nv20/nv20_miptree.c')
-rw-r--r--src/gallium/drivers/nv20/nv20_miptree.c226
1 files changed, 0 insertions, 226 deletions
diff --git a/src/gallium/drivers/nv20/nv20_miptree.c b/src/gallium/drivers/nv20/nv20_miptree.c
deleted file mode 100644
index 2d3473b0869..00000000000
--- a/src/gallium/drivers/nv20/nv20_miptree.c
+++ /dev/null
@@ -1,226 +0,0 @@
-#include "pipe/p_state.h"
-#include "pipe/p_defines.h"
-#include "util/u_inlines.h"
-#include "util/u_format.h"
-#include "util/u_math.h"
-
-#include "nv20_context.h"
-#include "nv20_screen.h"
-#include "../nv04/nv04_surface_2d.h"
-
-static void
-nv20_miptree_layout(struct nv20_miptree *nv20mt)
-{
- struct pipe_texture *pt = &nv20mt->base;
- uint width = pt->width0;
- uint offset = 0;
- int nr_faces, l, f;
- uint wide_pitch = pt->tex_usage & (PIPE_TEXTURE_USAGE_SAMPLER |
- PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
- PIPE_TEXTURE_USAGE_RENDER_TARGET |
- PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_PRIMARY);
-
- if (pt->target == PIPE_TEXTURE_CUBE) {
- nr_faces = 6;
- } else {
- nr_faces = 1;
- }
-
- for (l = 0; l <= pt->last_level; l++) {
- if (wide_pitch && (pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR))
- nv20mt->level[l].pitch = align(util_format_get_stride(pt->format, pt->width0), 64);
- else
- nv20mt->level[l].pitch = util_format_get_stride(pt->format, width);
-
- nv20mt->level[l].image_offset =
- CALLOC(nr_faces, sizeof(unsigned));
-
- width = u_minify(width, 1);
- }
-
- for (f = 0; f < nr_faces; f++) {
- for (l = 0; l < pt->last_level; l++) {
- nv20mt->level[l].image_offset[f] = offset;
-
- if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR) &&
- u_minify(pt->width0, l + 1) > 1 && u_minify(pt->height0, l + 1) > 1)
- offset += align(nv20mt->level[l].pitch * u_minify(pt->height0, l), 64);
- else
- offset += nv20mt->level[l].pitch * u_minify(pt->height0, l);
- }
-
- nv20mt->level[l].image_offset[f] = offset;
- offset += nv20mt->level[l].pitch * u_minify(pt->height0, l);
- }
-
- nv20mt->total_size = offset;
-}
-
-static struct pipe_texture *
-nv20_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt,
- const unsigned *stride, struct pipe_buffer *pb)
-{
- struct nv20_miptree *mt;
-
- /* Only supports 2D, non-mipmapped textures for the moment */
- if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 ||
- pt->depth0 != 1)
- return NULL;
-
- mt = CALLOC_STRUCT(nv20_miptree);
- if (!mt)
- return NULL;
-
- mt->base = *pt;
- pipe_reference_init(&mt->base.reference, 1);
- mt->base.screen = pscreen;
- mt->level[0].pitch = stride[0];
- mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
-
- pipe_buffer_reference(&mt->buffer, pb);
- mt->bo = nouveau_bo(mt->buffer);
- return &mt->base;
-}
-
-static struct pipe_texture *
-nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt)
-{
- struct nv20_miptree *mt;
- unsigned buf_usage = PIPE_BUFFER_USAGE_PIXEL |
- NOUVEAU_BUFFER_USAGE_TEXTURE;
-
- mt = MALLOC(sizeof(struct nv20_miptree));
- if (!mt)
- return NULL;
- mt->base = *pt;
- pipe_reference_init(&mt->base.reference, 1);
- mt->base.screen = screen;
-
- /* Swizzled textures must be POT */
- if (pt->width0 & (pt->width0 - 1) ||
- pt->height0 & (pt->height0 - 1))
- mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
- else
- if (pt->tex_usage & (PIPE_TEXTURE_USAGE_PRIMARY |
- PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_DEPTH_STENCIL))
- mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
- else
- if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
- mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
- else {
- switch (pt->format) {
- /* TODO: Figure out which formats can be swizzled */
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- case PIPE_FORMAT_X8R8G8B8_UNORM:
- case PIPE_FORMAT_R16_SNORM:
- {
- if (debug_get_bool_option("NOUVEAU_NO_SWIZZLE", FALSE))
- mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
- break;
- }
- default:
- mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
- }
- }
-
- if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
- buf_usage |= PIPE_BUFFER_USAGE_CPU_READ_WRITE;
-
- /* apparently we can't render to swizzled surfaces smaller than 64 bytes, so make them linear.
- * If the user did not ask for a render target, they can still render to it, but it will cost them an extra copy.
- * This also happens for small mipmaps of large textures. */
- if (pt->tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET && util_format_get_stride(pt->format, pt->width0) < 64)
- mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
-
- nv20_miptree_layout(mt);
-
- mt->buffer = screen->buffer_create(screen, 256, buf_usage, mt->total_size);
- if (!mt->buffer) {
- FREE(mt);
- return NULL;
- }
- mt->bo = nouveau_bo(mt->buffer);
-
- return &mt->base;
-}
-
-static void
-nv20_miptree_destroy(struct pipe_texture *pt)
-{
- struct nv20_miptree *nv20mt = (struct nv20_miptree *)pt;
- int l;
-
- pipe_buffer_reference(&nv20mt->buffer, NULL);
- for (l = 0; l <= pt->last_level; l++) {
- if (nv20mt->level[l].image_offset)
- FREE(nv20mt->level[l].image_offset);
- }
-}
-
-static struct pipe_surface *
-nv20_miptree_surface_get(struct pipe_screen *screen, struct pipe_texture *pt,
- unsigned face, unsigned level, unsigned zslice,
- unsigned flags)
-{
- struct nv20_miptree *nv20mt = (struct nv20_miptree *)pt;
- struct nv04_surface *ns;
-
- ns = CALLOC_STRUCT(nv04_surface);
- if (!ns)
- return NULL;
- pipe_texture_reference(&ns->base.texture, pt);
- ns->base.format = pt->format;
- ns->base.width = u_minify(pt->width0, level);
- ns->base.height = u_minify(pt->height0, level);
- ns->base.usage = flags;
- pipe_reference_init(&ns->base.reference, 1);
- ns->base.face = face;
- ns->base.level = level;
- ns->base.zslice = zslice;
- ns->pitch = nv20mt->level[level].pitch;
-
- if (pt->target == PIPE_TEXTURE_CUBE) {
- ns->base.offset = nv20mt->level[level].image_offset[face];
- } else
- if (pt->target == PIPE_TEXTURE_3D) {
- ns->base.offset = nv20mt->level[level].image_offset[zslice];
- } else {
- ns->base.offset = nv20mt->level[level].image_offset[0];
- }
-
- /* create a linear temporary that we can render into if necessary.
- * Note that ns->pitch is always a multiple of 64 for linear surfaces and swizzled surfaces are POT, so
- * ns->pitch & 63 is equivalent to (ns->pitch < 64 && swizzled)*/
- if((ns->pitch & 63) && (ns->base.usage & (PIPE_BUFFER_USAGE_GPU_WRITE | NOUVEAU_BUFFER_USAGE_NO_RENDER)) == PIPE_BUFFER_USAGE_GPU_WRITE)
- return &nv04_surface_wrap_for_render(screen, ((struct nv20_screen*)screen)->eng2d, ns)->base;
-
- return &ns->base;
-}
-
-static void
-nv20_miptree_surface_destroy(struct pipe_surface *ps)
-{
- struct nv04_surface* ns = (struct nv04_surface*)ps;
- if(ns->backing)
- {
- struct nv20_screen* screen = (struct nv20_screen*)ps->texture->screen;
- if(ns->backing->base.usage & PIPE_BUFFER_USAGE_GPU_WRITE)
- screen->eng2d->copy(screen->eng2d, &ns->backing->base, 0, 0, ps, 0, 0, ns->base.width, ns->base.height);
- nv20_miptree_surface_destroy(&ns->backing->base);
- }
-
- pipe_texture_reference(&ps->texture, NULL);
- FREE(ps);
-}
-
-void nv20_screen_init_miptree_functions(struct pipe_screen *pscreen)
-{
- pscreen->texture_create = nv20_miptree_create;
- pscreen->texture_blanket = nv20_miptree_blanket;
- pscreen->texture_destroy = nv20_miptree_destroy;
- pscreen->get_tex_surface = nv20_miptree_surface_get;
- pscreen->tex_surface_destroy = nv20_miptree_surface_destroy;
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 01:03:11 +0000